CN103117452B - A kind of novel LTE terminal antenna - Google Patents

A kind of novel LTE terminal antenna Download PDF

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Publication number
CN103117452B
CN103117452B CN201310049540.4A CN201310049540A CN103117452B CN 103117452 B CN103117452 B CN 103117452B CN 201310049540 A CN201310049540 A CN 201310049540A CN 103117452 B CN103117452 B CN 103117452B
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CN
China
Prior art keywords
part
described
loop
antenna
connected
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CN201310049540.4A
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Chinese (zh)
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CN103117452A (en
Inventor
尹海杰
孙劲
李立忠
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上海安费诺永亿通讯电子有限公司
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Publication of CN103117452A publication Critical patent/CN103117452A/en
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Abstract

The invention provides a kind of novel LTE terminal antenna, this novel LTE terminal antenna comprises handheld terminal metallic member and non-metallic part, the metal outer frame that metallic member comprises pcb board and is connected with pcb board, pcb board is coated with metal level, novel LTE terminal antenna also comprises antenna part, and antenna part is positioned at non-metallic part and is connected with metallic member.Wherein, antenna part comprises feed part, grounded part, loop radiant section and metal radiation ring, feed part connects feed signal end, grounded part ground connection and being connected with metallic member, loop radiant section head and the tail are connected with grounded part with feed part respectively, and loop radiant section is also connected with metal radiation ring, there is gap between metal radiation ring and metal outer frame, antenna part and metallic member constitute whole antenna system.The present invention effectively utilizes part metals housing, and realizes broadband feature, covers GSM,? UMTS, LTE? 6 frequency ranges, and shortening antenna takes up room.

Description

A kind of novel LTE terminal antenna

Technical field

The present invention relates to the design field of antenna for mobile phone, particularly relate to a kind of novel LTE terminal antenna.

Background technology

Miniaturized multiband built-in aerial is the developing direction of hand-held communication terminal antenna always.Existing antenna form comprises multi-frequency monopole sub antenna (monopole antenna), monocycle or double loop antenna (single loopor dual loop antenna), inverted folded antenna (IFA), planar inverted folded antenna (PIFA).These antenna type respectively has its condition used and performance in different hand-held communication terminal environment.Different antenna forms can be selected according to different requirements.

Usual mobile terminal device comprises GSM850/900, DCS, PCS, UMTS, and its frequency range is 0.824GHz-0.96GHz, 1.71GHz-2.17GHz.Along with the development of LTE technology, 3.5GHz, 4GHz receive much concern. and more and more many mobile phones need antenna to meet traditional 2G network frequency range and LTE frequency range simultaneously, and the development of the mobile terminals such as mobile phone is more and more diversified.

Summary of the invention

The present invention aims to provide a kind of novel LTE terminal antenna, to improve the performance of antenna.

The present invention is a kind of novel LTE terminal antenna, this novel LTE terminal antenna comprises metallic member and the non-metallic part of handheld terminal, the metal outer frame that described metallic member comprises pcb board and is connected with described pcb board, described pcb board is coated with metal level, described metal outer frame is arranged on the outer ledge of described pcb board, described novel LTE terminal antenna also comprises antenna part, described antenna part is positioned on described non-metallic part, and described antenna part is connected with described metallic member, wherein, described antenna part comprises:

Feed part, is connected with a feed signal end;

Grounded part, ground connection and being connected with described metallic member;

Loop radiant section, is connected with described feed part and described grounded part, and between described feed part and described grounded part;

Metal radiation ring, is positioned at the outer ledge place of described non-metallic part, and described metal radiation ring is connected with described loop radiant section; And the two ends of the two ends of described metal radiation ring and described metal outer frame relative respectively between there is gap, described loop radiant section is relative with the base of described metal radiation ring.

In some embodiments, described loop radiant section comprises the loop radiation Part I, loop radiation Part II, loop radiation Part III, loop radiation Part IV, loop radiation Part V, loop radiation Part VI and the loop radiation Part VII that are connected successively, and described loop radiation Part II to be divided with described current feed department by described loop radiation Part I and is connected, described loop radiation Part VI is connected with described grounded part by described loop radiation Part VII.

In some embodiments, described loop radiation Part II is relative with described loop radiation Part IV and be spaced from each other.

In some embodiments, described antenna part also comprises the first pontes and the second coupling part, and described metal radiation ring is connected with described loop radiant section with described second coupling part by described the first pontes.

In some embodiments, described metal radiation ring is connected with described loop radiation Part IV with described second coupling part by described the first pontes.

In some embodiments, described metal radiation ring is the hardware with thickness.

The present invention, owing to adopting above technical scheme, makes it compared with prior art:

The present invention uses part metals structure to participate in radiation as a part for antenna, further utilizes the confined space, shorten antenna part and take size, and this antenna effectively utilizes part metals housing, and realize broadband feature, cover GSM, UMTS, LTE 6 frequency ranges.

Accompanying drawing explanation

By reference to the accompanying drawings, by hereafter state detailed description, more clearly can understand above-mentioned and other feature and advantage of the present invention, wherein:

Fig. 1 is inventive antenna system assembling schematic diagram

Fig. 2 is inventive antenna front view

Fig. 3 is inventive antenna Local map

Fig. 4 is inventive antenna frequency response chart

Fig. 5 is that the present invention surveys radiation efficiency figure

Symbol description:

101,102-non-metallic part

103-metallic member

104-loud speaker

105-battery

106-metal parts

107-support component

200-antenna part

201-feed part

202-loop radiation Part I

203-loop radiation Part III

204-loop radiation Part II

205-loop radiation Part IV

206-loop radiation Part V

207-loop radiation Part VI

208-loop radiation Part VII

209-grounded part

210-the first pontes

211-second coupling part

212-metal radiation ring

213,214-gap

Embodiment

See the accompanying drawing that the embodiment of the present invention is shown, hereafter in more detail the present invention will be described.But the present invention can realize in many different forms, and should not be construed as by the restriction in the embodiment of this proposition.On the contrary, it is abundant and complete open in order to reach for proposing these embodiments, and makes those skilled in the art understand scope of the present invention completely.In these accompanying drawings, for clarity sake, may be exaggerated size and the relative size in layer and region.

With reference to figure 1, the novel LTE terminal antenna of one provided by the invention, this novel LTE terminal antenna comprises handheld terminal metallic member 103 and non-metallic part 101,102, the metal outer frame that metallic member 103 comprises pcb board and is connected with pcb board, concrete metal outer frame is arranged on the outer ledge of pcb board, and pcb board is coated with metal level, this novel LTE terminal antenna also comprises antenna part 200, antenna part 200 is positioned on non-metallic part 101,102, and antenna part 200 is connected with metallic member 103.

With reference to figure 2-3, antenna part 200 comprises: feed part 201, grounded part 209, loop radiant section, metal radiation ring 212 and the gap 213,214 be arranged between metal radiation ring 212 and metal outer frame.Wherein, feed part 201 is connected with feed signal end, receives feed signal; Grounded part 209 ground connection and being connected with metallic member 103, particularly in this embodiment, grounded part 209 is connected with pcb board; Loop radiant section is connected with grounded part 209 with feed part 201, and between feed part 201 and grounded part 209; Metal radiation ring 212 is positioned at the outer ledge place of non-metallic part 101,102, and metal radiation ring 212 is connected with loop radiant section.

Wherein, loop radiant section comprises the loop radiation Part I 202, loop radiation Part II 204, loop radiation Part III 203, loop radiation Part IV 205, loop radiation Part V 206, loop radiation Part VI 207 and the loop radiation Part VII 208 that are connected successively, and loop radiant section each several part is connected to form loop.Concrete, loop radiation Part II 204 is connected with feed part 201 by loop radiation Part I 202, loop radiation Part I 202 is connected on loop radiation Part II 204, the tail end of loop radiation Part II 204 is not changeless from the distance of the tie point with loop radiation Part I 202, and its distance can change depending on concrete condition; Loop radiation Part III 203 is connected with loop radiation Part II 204, loop radiation Part IV 205 link circuit radiation Part III 203 and loop radiation Part V 206, and loop radiation Part V 206 is connected with loop radiation Part VI 207; Loop radiation Part VI 207 is connected with grounded part 209 by loop radiation Part VII 208, loop radiation Part VII 208 is connected to the tail end of loop radiation Part VI 207 substantially, but also can be the place that the tail end be connected to from loop radiation Part VI 207 has more a bit, not limit herein.Wherein, loop radiation Part II 204 and loop radiation Part VI 207 are relative with loop radiation Part IV 205 respectively and keep at a certain distance away, and loop radiation Part II 204, coupling between loop radiation Part IV 205 and loop radiation Part VI 207 are used for regulating loop frequency and impedance.Herein, the distance between loop radiation Part II 204 and loop radiation Part IV 205 can regulate as the case may be, and loop radiation Part III 203 also changes with concrete condition to the width of loop radiation Part VI 207, does not limit herein.

Metal radiation ring 212 is for having certain thickness hardware, and the thickness herein for metal radiation ring 212 does not limit, and determines as the case may be.Metal radiation ring 212 and handheld terminal general character, namely have the features such as specific chamfering.Metal radiation ring 212 is adopted to make the present embodiment make use of the height of antenna to greatest extent.

The gap 213,214 arranged between metal framework and metal radiation ring 212, for regulating the Energy Coupling between hand-held mobile terminal metallic member 103 and antenna part 200, affects minimum when reaching hand-held by optimal design.

Antenna part 200 also comprises the first pontes 210 and the second coupling part 211, metal radiation ring 212 is connected with loop radiant section with the second coupling part 211 by the first pontes 210, the position of the first pontes 210 and the second coupling part 211 is adjustable and its position for regulating antenna frequencies and impedance operator.Particularly in the present embodiment, metal radiation ring 212 is connected with loop radiation Part IV 205 with the second coupling part 211 by the first pontes 210, distance between metal radiation ring 212 and loop radiation Part IV 205 can regulate as the case may be, does not limit herein.In addition, the first pontes 210 and the second coupling part 211 are metal parts, certainly in some bodies are implemented, also the first pontes 210 and the second coupling part 211 can be substituted with screw, not only introduce accommodative facility, structurally play the effect of reinforcing simultaneously, do not limit herein.

In one provided by the invention novel LTE terminal antenna, metal outer frame and antenna part have been bonded whole antenna system, wherein feed part 201, loop radiation Part I 202, loop radiation Part III 203, loop radiation Part IV 205, loop radiation Part V 206 forms a loop antenna structure, feed part 201, loop radiation Part I 202, loop radiation Part III 203, loop radiation Part IV 205, second coupling part 211, the right-hand component of metal radiation ring 212 forms a unipole antenna, the left-hand component of metal radiation ring 212 is for regulating high frequency.

Reference Fig. 4 is the present embodiment return loss plot, and the RL return loss degree that GSM850/900, DCS, PCS, UMTS, LTETD-SCDMA1800/2000/2300 communication bandwidth place frequency band is corresponding as seen from the figure meets the demands.

Reference Fig. 5 is the present embodiment test free space radiation efficiency figure, and low frequency average efficiency-1.7dB, high-frequency average efficiency-2.5dB, meets GSM850/900, DCS, PCS, UMTS, LTETD-SCDMA1800/2000/2300 communication bandwidth requirement.

The present invention's whole antenna system that utilized part metals housing and antenna part to be bonded, thus when the present invention is used in mobile phone, can be more reasonable, compact layout interior of mobile phone device, refer now to Fig. 1, this mobile phone terminal specifically can also comprise multiple metal device, optimizing distribution of these metal devices is as follows: metal device loud speaker 104 can be arranged at metallic member 103 with in the handover region of non-metallic part 101, metal device battery 105 can be arranged on the pcb board of metallic member 103, and can 3mm be set to the optimum distance of antenna part 200, metal device 106, concrete can be the mobile phone component with USB approx. dimension, metal parts 106 is arranged in non-metallic areas by an insulating support member 107, and be positioned at central authorities immediately below antenna area, metal parts 106 is also connected with support component 107.Above-mentioned interior of mobile phone placement scheme just illustrates owing to adopting the present invention to reduce antenna part and take up room, not as example in specific implementation process.

In sum, the invention provides a kind of novel LTE terminal antenna, this novel LTE terminal antenna comprises handheld terminal metallic member and non-metallic part, the metal outer frame that metallic member comprises pcb board and is connected with pcb board, pcb board is coated with metal level, novel LTE terminal antenna also comprises antenna part, and antenna part is positioned at the top of non-metallic part and non-metallic part, and antenna part is connected with metallic member.Wherein, antenna part comprises feed part, grounded part, loop radiant section, metal radiation ring, feed part connects feed signal end, grounded part ground connection and being connected with metallic member, loop radiant section head and the tail are connected with grounded part with feed part respectively, and loop radiant section is also connected with metal radiation ring, there is gap between metal radiation ring and metal outer frame, antenna part and metallic member constitute whole antenna system.The present invention effectively utilizes part metals housing, and realizes broadband feature, covers GSM, UMTS, LTE 6 frequency ranges, also shortens antenna simultaneously and take up room.

Those skilled in the art should be understood that the present invention can realize with other concrete forms many and not depart from the spirit or scope of the present invention.Although also have been described embodiments of the invention, the present invention should be understood and should not be restricted to these embodiments, within the spirit and scope of the invention that those skilled in the art can define as appended claims, make change and amendment.

Claims (6)

1. a novel LTE terminal antenna, it is characterized in that, this novel LTE terminal antenna comprises metallic member and the non-metallic part of handheld terminal, the metal outer frame that described metallic member comprises pcb board and is connected with described pcb board, described pcb board is coated with metal level, described metal outer frame is arranged on the outer ledge of described pcb board, described novel LTE terminal antenna also comprises antenna part, described antenna part is positioned on described non-metallic part, and described antenna part is connected with described metallic member, wherein, described antenna part comprises:
Feed part, is connected with a feed signal end;
Grounded part, ground connection and being connected with described metallic member;
Loop radiant section, is connected with described feed part and described grounded part, and between described feed part and described grounded part;
Metal radiation ring, is positioned at the outer ledge place of described non-metallic part, and described metal radiation ring is connected with described loop radiant section; And the two ends of the two ends of described metal radiation ring and described metal outer frame relative respectively between there is gap, described loop radiant section is relative with the base of described metal radiation ring.
2. novel LTE terminal antenna according to claim 1, it is characterized in that, described loop radiant section comprises the loop radiation Part I, loop radiation Part II, loop radiation Part III, loop radiation Part IV, loop radiation Part V, loop radiation Part VI and the loop radiation Part VII that are connected successively, and described loop radiation Part II to be divided with described current feed department by described loop radiation Part I and is connected, described loop radiation Part VI is connected with described grounded part by described loop radiation Part VII.
3. novel LTE terminal antenna according to claim 1, is characterized in that, described loop radiation Part II is relative with described loop radiation Part IV and be spaced from each other.
4. novel LTE terminal antenna according to claim 2, it is characterized in that, described antenna part also comprises the first pontes and the second coupling part, and described metal radiation ring is connected with described loop radiant section with described second coupling part by described the first pontes.
5. novel LTE terminal antenna according to claim 4, is characterized in that, described metal radiation ring is connected with described loop radiation Part IV with described second coupling part by described the first pontes.
6. novel LTE terminal antenna according to claim 1, is characterized in that, described metal radiation ring is the hardware with thickness.
CN201310049540.4A 2013-02-07 2013-02-07 A kind of novel LTE terminal antenna CN103117452B (en)

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Application Number Priority Date Filing Date Title
CN201310049540.4A CN103117452B (en) 2013-02-07 2013-02-07 A kind of novel LTE terminal antenna

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Application Number Priority Date Filing Date Title
CN201310049540.4A CN103117452B (en) 2013-02-07 2013-02-07 A kind of novel LTE terminal antenna

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CN103117452A CN103117452A (en) 2013-05-22
CN103117452B true CN103117452B (en) 2015-11-04

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CN103311665B (en) * 2013-06-09 2015-06-24 上海安费诺永亿通讯电子有限公司 Antenna system applicable to mobile terminals with metal frame structures
CN103346397B (en) * 2013-06-21 2016-01-13 上海安费诺永亿通讯电子有限公司 Be applicable to the frequency antenna system with metal frame architecture mobile terminal
CN103346383B (en) * 2013-06-28 2016-03-02 华为终端有限公司 Loop aerial assembly and there is the electronic equipment of this loop aerial assembly
CN104347925B (en) * 2013-07-23 2018-08-21 南京中兴软件有限责任公司 A kind of antenna assembly of terminal device
CN104347927B (en) * 2013-07-25 2018-09-07 广州光宝移动电子部件有限公司 Antenna and hand-hold communication appliance
CN103390796B (en) * 2013-07-29 2016-03-09 上海安费诺永亿通讯电子有限公司 A kind of mobile phone terminal antenna
CN104681929B (en) * 2013-11-30 2019-05-21 深圳富泰宏精密工业有限公司 Antenna structure and wireless communication device with the antenna structure
CN104953245B (en) * 2014-03-26 2017-10-31 川益科技股份有限公司 The antenna of communication device
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CN104485512B (en) * 2014-11-28 2018-02-06 深圳市信维通信股份有限公司 For the LTE carrier aggregation antenna with metal framework portable set
KR20160067541A (en) 2014-12-04 2016-06-14 엘지전자 주식회사 Antenna module and mobile terminal using the same
CN104538741B (en) * 2014-12-17 2017-12-26 小米科技有限责任公司 Slot antenna and the electronic equipment with conductive bezels
US9948268B2 (en) 2015-02-09 2018-04-17 Samsung Electro-Mechanics Co., Ltd. Multiband antenna having external conductor and electronic device including the same
CN105576371A (en) * 2016-02-29 2016-05-11 广东小天才科技有限公司 Mobile terminal and antenna grounding structure thereof
CN107230821A (en) * 2016-03-23 2017-10-03 北京小米移动软件有限公司 A kind of WIFI&GPS antennas
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